Stop guessing why you’re tired: How Galaxy Watch9 uses AI to connect sleep, fitness and recovery

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For years, sleep was treated as the part of the day that happened after everything else was done. Work was finished, dinner was over, the phone was finally put away, and then it was time to go to bed. But our understanding of sleep has changed. It is no longer simply downtime between two days; it plays an important role in how we feel, recover and perform the following day.

That also changes how we should think about being a “morning person”. It may have less to do with personality and more to do with whether your sleep routine is actually working for you. The difficult part is figuring that out. Most of us don't know exactly how consistent our sleep is, whether we are getting enough rest or how the previous day's activity affects the night that follows.

This is where wearable technology can be useful. The Galaxy Watch9...

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